Heat treatment chambers for textile materials subjected to impregnation



Oct. 12, 1965 J KUTZ 3,210,968

HEAT TREATMENT GHAMB ERS FOR TEXTILE MATERIAL SUBJECTED T0 IMPREGNATION Filed Feb. 26, 1965 Jnvenfor Johannes Ku fz By HIS Affo/neys MMM United States Patent HEAT TREATMENT CHAMBERS FOR TEXTILE MATERIALS SUBJECTED TO IMPREGNATION Johannes Kutz, St. Tonis, near Krefeld, Germany, as-

signor to Eduard Kusters Maschinenfahriit, Krefeld,

Germany, a firm Filed Feb. 26, 1963, Ser. No. 260,984 4 Claims. (Cl. 688) The invention relates to a chamber for the heat treatment of textile materials subjected to impregnation in the form of webs, which are wound into the form of a roll in the chamber.

It is known for example when bleaching or dyeing that it is necessary to subject the impregnated textile webs to heat treatment and to maintain thereby the necessary temperature for a certain period of time until the desired reaction sets in and has taken place. In bleaching, for example, the reaction sets in suddenly. For producing the necessary heat relatively large quantities of steam are necessary. The feeding of these quantities of steam for initiating the reaction and maintaining the necessary temperature has hitherto frequently presented diificulties and caused inconveniences, especially when the material is introduced into the treatment chamber in the form of a web and therein wound in a roll.

The object of the invention is primarily to avoid these difiiculties and inconveniences.

According to the invention a funnel-shaped inlet which accommodates the impregnating liquor is provided for introducing the web into the chamber which inlet is mounted on the chamber and packs or seals against the web, while directly or almost directly following the funnel-shaped inlet tubes or nozzles are arranged in the interior of the chamber which spray steam against the web. Hereby the main advantage is derived that, on the one hand, the chamber is tightly closed to prevent escape of steam in spite of the web inlet and on the other hand, the heating of the textile material takes place intensively almost immediately it enters the chamber, which fact tends to accelerate the commencement of the reaction. Moreover the impregnation of the web in running into the treatment chamber is improved in that the penetration of the impregnating liquor into the textile material is accelerated and more thorough owing to the heating of the material taking place directly on its passage through the inlet funnel.

The tubes or nozzles spraying the steam against the textile material are preferably arranged on both sides of the textile web.

The inlet funnel can be formed by corrosion-resisting plates extending into the interior of the treatment chamber.

An embodiment of the invention is illustrated diagrammatically and by way of example in the accompanying drawing.

In the drawing only those parts are shown which are necessary for the understanding of the invention.

The treatment chamber 1, which is only roughly indicated in the drawing, is cylindrical and constructed like a spool box or magazine. Therein the web of material 2 is wound in the form of a roll and subjected to heat treatment for the necessary period of time.

The inlet for guiding the web of material 2 into the chamber 1 is funnel-shaped and formed by two corrosionresisting plates 3 the ends of which project into the interior of the treatment chamber 1 forming a seal against the web of material.

The impregnating or bleaching liquor 4 is accommodated in the funnel-shaped inlet for the material.

Following the funnel-shaped inlet steam tubes 5 are arranged in the interior of the treatment chamber 1 on both sides of the web of material 2 and spray steam against the incoming impregnated web of material. The steam introduced by the tubes 5 also heats the chamber 1 during the entire period of treatment.

The funnel-shaped inlet is arranged in a vertical plane intersecting the axis of a roller 6 on which the web of material is wound.

The steam feed conduit for the tubes 5 is located on one end of the chamber.

What I claim is:

1. A chamber for the heat treatment of web textile material subjected to impregnation and wound into a roll in the chamber, wherein there is an exterior wall for the chamber, inlet means to impregnate the web material and permit its ingress into the chamber, the walls of said inlet means projecting from the exterior wall into the chamber in the form of a funnel toward the interior of the chamber and serving to retain impregnating liquid as the web ma terial passes therethrough into the chamber and also serving to form a seal with respect to the web, in combination with spraying elements right at the inner end of the seal for spraying steam against the incoming web.

2. Treatment chamber according to claim 1, wherein the spraying elements are arranged on both sides of the web of impregnated material.

3. A chamber according to claim 1, wherein the walls of the inlet are formed of thin corrosion-resisting plates.

4. A chamber for the heat treatment of web textile material subjected to impregnation and wound into a roll in the chamber, wherein there is an exterior wall for the chamber, inlet means to impregnate the web material and permit its ingress into the chamber, the walls of said inlet means projecting from the exterior wall into the chamber in the form of a funnel toward the interior of the chamber and serving to retain impregnating liquid as the web material passes therethrough into the chamber and also serving to form a seal with respect to the web, in combination with spraying elements right at the inner end of the seal for spraying steam against the incoming web, and a roller in the chamber adapted to wind up the web.

References Cited by the Examiner UNITED STATES PATENTS 1,786,421 12/ 30 Buhlmann 68-8 X 2,008,230 7/35 Spooner 68-5 2,460,206 1/49 Wentz 68-6 X 2,532,471 12/50 Wedler 68-5 2,591,815 4/52 Hilliard 68175 X 2,641,121 6/53 Belcher 685 X 2,696,098 12/54 Erikson 688 X 2,951,356 9/60 Melbin 68-8 3,012,427 12/61 Osban 68-5 3,041,863 7/62 Goto 685 IRVING BUNEVICH, Primary Examiner. 

1. A CHAMBER FOR THE HEAT TREATMENT OF WEB TEXTILE MATERIAL SUBJECTED TO IMPREGNATION AND WOUND INTO A ROLL IN THE CHAMBER, WHEREIN THERE IS AN EXTERIOR WALL FOR THE CHAMBER, INLET MEANS TO IMPREGNATE THE WEB MATERIAL AND PERMIT ITS INGRESS INTO THE CHAMBER, THE WALLS OF SAID INLET MEANS PROJECTING FROM THE EXTERIOR WALL INTO THE CHAMBER IN THE FORM OF A FUNNEL TOWARD THE INTERIOR OF THE CHAMBER AND SERVING TO RETAIN IMPREGNATING LIQUID AS THE WAB MATERIAL PASSES THERETHROUGH INTO THE CHAMBER AND ALSO SERVING TO FORM A SEAL WITH RESPECT TO THE WEB, IN COMBINATION WITH SPRAYING ELEMENTS RIGHT AT THE INNER END OF THE SEAL FOR SPRAYING STEAM AGAINST THE INCOMING WEB. 